阅读说明：本技术 封闭式热风毯 (Closed hot air blanket ) 是由 王木仁 于 2018-06-29 设计创作，主要内容包括：一种封闭式热风毯,包含热风机、垫毯单元、连接于所述热风机与所述垫毯单元之间的进风管,以及连接于所述热风机与所述垫毯单元之间的回风管,所述热风机包括机壳、鼓风件、加热件,所述鼓风件具有吸入口及出气管,所述加热件能对流经所述出气管的气流进行加热,所述垫毯单元包括进气接头、进气流道、出气流道及出气接头,所述进风管连接于所述出气管与所述垫毯单元的进气接头之间,能将加热后的气流导送至所述垫毯单元中,所述回风管连接于所述垫毯单元的出气接头与所述热风机之间,能将所述出气流道中的气流导送回至所述吸入口。利用整体配置,能使热气循环并回收,且能避免热气流对病患造成感染风险,且避免对医护人员的不适。(A closed hot air blanket comprises an air heater, a blanket unit, an air inlet pipe connected between the air heater and the blanket unit, and a return air pipe connected between the air heater and the blanket unit, wherein the air heater comprises a casing, an air blowing part and a heating part, the air blowing part is provided with a suction inlet and an air outlet pipe, the heating part can heat air flowing through the air outlet pipe, the blanket unit comprises an air inlet joint, an air inlet pipeline, an air outlet pipeline and an air outlet joint, the air inlet pipe is connected between the air outlet pipe and the air inlet joint of the blanket unit and can guide the heated air to the blanket unit, and the return air pipe is connected between the air outlet joint of the blanket unit and the air heater and can guide the air flowing in the air outlet pipeline back to the suction inlet. By using the integral configuration, the hot air can be circulated and recovered, the infection risk of the hot air flow to the patient can be avoided, and the discomfort to the medical care personnel can be avoided.)

1. A closed hot air blanket comprises an air heater, a blanket unit, an air inlet pipe connected between the air heater and the blanket unit, and an air return pipe connected between the air heater and the blanket unit; the method is characterized in that:

the air heater comprises a machine shell, an air blowing part arranged in the machine shell, and a heating part arranged in the machine shell and arranged on one side of the air blowing part, wherein the air blowing part is provided with a suction inlet capable of sucking air flow and an air outlet pipe arranged on one side of the suction inlet and capable of blowing air flow, and the heating part can heat the air flow flowing through the air outlet pipe;

the carpet padding unit comprises an air inlet joint, an air inlet flow channel communicated with the air inlet joint, an air outlet flow channel communicated with the air inlet flow channel and in a winding shape, and an air outlet joint communicated with the air outlet flow channel;

the air inlet pipe is connected between the air outlet pipe and the air inlet joint and can guide the heated airflow to the air inlet flow passage;

the air return pipe is connected between the suction inlet and the air outlet joint and can return the air flow in the air outlet flow channel to the suction inlet.

2. The closed hot air blanket according to claim 1, wherein: the carpet padding unit further comprises a pair of short side edges and a pair of long side edges connected between the short side edges, the air inlet connector and the air outlet connector are arranged on one short side edge, the air inlet connector penetrates through the air outlet connector, an annular air outlet communicated with the air outlet flow channel is formed between the air inlet connector and the air outlet connector, and an air return channel communicated with the air outlet is formed between the air inlet pipe and the air return pipe.

3. The closed hot air blanket according to claim 2, wherein: the air heater further comprises an air guide seat connected with an air outlet pipe of the air blowing piece, the air guide seat is provided with a shell capable of defining a containing chamber, an inner pipe extending into the containing chamber and connected with the shell, and a connecting pipe which is connected with the shell and communicated with the containing chamber, the top of the inner pipe is in an expanding pipe shape and connected with the top of the shell, the top of the inner pipe is sealed at the top of the containing chamber, the inner pipe is communicated with the air outlet pipe and the air inlet pipe, and the connecting pipe is communicated between the containing chamber and the suction inlet.

4. The closed hot air blanket according to claim 1, wherein: the carpet padding unit further comprises a pair of short side edges and a pair of long side edges connected between the short side edges, the air inlet joint and the air outlet joint are arranged in parallel and are arranged on one short side edge, and the air inlet pipe and the air return pipe are arranged at intervals and are respectively connected with the air inlet joint and the air outlet joint.

5. The utility model provides an air heater supplies the air-supply line to connect, air heater contains the casing, install in inside air-blast piece of casing, install in inside the casing and set up in the heating member of air-blast piece one side, air heater's characterized in that:

the air blowing piece is provided with a suction inlet capable of sucking airflow and an air outlet pipe which is arranged on one side of the suction inlet and can blow the airflow;

the heating element can heat the airflow flowing through the air outlet pipe;

the air heater further comprises an air guide seat connected with an air outlet pipe of the air blowing piece, the air guide seat is provided with a shell capable of defining a containing chamber, an inner pipe extending into the containing chamber and connected with the shell, and a connecting pipe which is connected with the shell and communicated with the containing chamber, the top of the inner pipe is in an expanding pipe shape and connected with the top of the shell, the top of the inner pipe is sealed at the top of the containing chamber, the inner pipe is communicated with the air outlet pipe and the air inlet pipe, and the connecting pipe is communicated between the containing chamber and the suction inlet.

Technical Field

The present invention relates to a medical device, and more particularly to a closed thermal blanket for maintaining the core temperature of a patient.

Background

The common hot air blanket (also called warm blanket cushion) can bring the best heating effect to the patients who are operated in the whole course. Not only can safely and effectively warm to minimize the risk of the patient, but also can provide the best warming effect and can prevent the body temperature of the patient from losing in the operation.

At present, hot air is emitted from the bottom of the hot air blanket, and the hot air emitted from the bottom of the hot air blanket is easy to form heat flow circulation around an operating table, which can cause heat convection infection with a bacteria area.

Moreover, the hot air blanket heats the released airflow all the time, and the hot air cannot be recycled, so that the energy-saving effect cannot be generated.

For example, taiwan patent No. M542128, "cooling and heating cycle blanket" includes a blanket, a control system and an external device. Such a thermal cycling blanket may also have the above-mentioned problems when applied to medical warming applications.

Disclosure of Invention

The invention aims to provide a closed hot air blanket which can avoid hot air from rising, reduce the infection probability of patients and improve the energy-saving benefit.

The closed hot air blanket comprises an air heater, a blanket unit, an air inlet pipe connected between the air heater and the blanket unit, and an air return pipe connected between the air heater and the blanket unit, wherein the air heater comprises a machine shell, an air blowing part arranged in the machine shell, a heating part arranged in the machine shell and arranged on one side of the air blowing part, the air blowing part is provided with an air suction inlet capable of sucking air flow, and an air outlet pipe arranged on one side of the air suction inlet and capable of blowing air flow, the heating part can heat the air flow passing through the air outlet pipe, the blanket unit comprises an air inlet joint, an air inlet flow passage communicated with the air inlet joint, an air outlet flow passage communicated with the air inlet flow passage and in a winding shape, and an air outlet joint communicated with the air outlet flow passage, and the air inlet pipe is connected between the air outlet pipe and the air inlet joint, the air return pipe is connected between the suction inlet and the air outlet joint and can return the air flow in the air outlet flow passage to the suction inlet.

The blanket unit of the closed hot air blanket further comprises a pair of short side edges and a pair of long side edges connected between the short side edges, the air inlet joint and the air outlet joint are arranged on one short side edge, the air inlet joint penetrates through the air outlet joint, an annular air outlet communicated with the air outlet flow channel is formed between the air inlet joint and the air outlet joint, and an air return channel communicated with the air outlet is formed between the air inlet pipe and the air return pipe.

In the closed hot air blanket of the present invention, the air heater further includes an air guide seat connected to the air outlet pipe of the blowing member, the air guide seat has a housing defining a chamber, an inner pipe extending into the chamber and connected to the housing, and a connection pipe connected to the housing and communicated with the chamber, the top of the inner pipe is in an expanded pipe shape and connected to the top of the housing, the top of the inner pipe is closed to the top of the chamber 41, the inner pipe is communicated with the air outlet pipe and the air inlet pipe, and the connection pipe is communicated between the chamber and the suction inlet.

The blanket unit of the closed hot air blanket further comprises a pair of short side edges and a pair of long side edges connected between the short side edges, the air inlet joint and the air outlet joint are arranged in parallel and are arranged on one short side edge, and the air inlet pipe and the air return pipe are arranged at intervals and are respectively connected with the air inlet joint and the air outlet joint.

The air heater is connected with an air inlet pipe, and comprises a machine shell, an air blowing part arranged in the machine shell, a heating part arranged in the machine shell and arranged on one side of the air blowing part, wherein the air blowing part is provided with a suction inlet capable of sucking air flow and an air outlet pipe arranged on one side of the suction inlet and capable of blowing out the air flow, the heating part can heat the air flow passing through the air outlet pipe, the air heater also comprises an air guide seat connected with the air outlet pipe of the air blowing part, the air guide seat is provided with a shell capable of defining a containing chamber, an inner pipe extending into the containing chamber and connected with the shell, and a connecting pipe which is connected with the shell and communicated with the containing chamber, the top of the inner pipe is in an expanded pipe shape and connected with the top of the shell, the top of the inner pipe is sealed at the top of the containing chamber, and, The air inlet pipes are communicated with each other, and the connecting pipe is communicated between the accommodating chamber and the suction inlet.

The invention has the beneficial effects that: by utilizing the cooperation of the air heater, the blanket padding unit, the air inlet pipe and the air return pipe, hot air can not leak and fly, the stuffiness feeling around an operating table can be reduced, the hot air can be recycled, and energy-saving benefits are achieved.

Drawings

FIG. 1 is a perspective assembly view of a first embodiment of a closed air heater blanket according to the present invention;

FIG. 2 is an exploded perspective view of a heat gun of the first embodiment;

FIG. 3 is a front cross-sectional view of the first embodiment;

FIG. 4 is an enlarged schematic view of FIG. 3;

FIG. 5 is a cross-sectional view taken along line V-V in FIG. 3;

FIG. 6 is a cross-sectional view taken along line VI-VI in FIG. 3;

FIG. 7 is a schematic cross-sectional perspective view of an air guide seat of the first embodiment;

fig. 8 is a perspective combination view of a second embodiment of the closed air heater blanket of the present invention.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings and examples.

Referring to fig. 1, a first embodiment of the enclosed hot air carpet of the present invention comprises an air heater 1, a carpet unit 2, an air inlet pipe 3 connected between the air heater 1 and the carpet unit 2, and an air return pipe 4 connected between the air heater 1 and the carpet unit 2.

Referring to fig. 2, 3, 4 and 6, the air heater 1 includes a housing 10, a blower 20 installed inside the housing 10, a heating element 30 installed inside the housing 10 and disposed at one side of the blower 20, and an air guide seat 40 connected to the blower 20. The casing 10 has a through hole 11 formed in the bottom and a ventilation portion 12 formed in the rear. The blowing member 20 has a suction port 21 corresponding to the ventilation part 12 and capable of sucking an air flow, and an air outlet pipe 22 provided at one side of the suction port 21 and capable of blowing the air flow. The heating member 30 is installed at one side of the outlet duct 22 and heats the air flowing through the outlet duct 22. Referring to fig. 7, the air guiding seat 40 has a casing 42 defining a containing chamber 41, an inner tube 43 extending inside the containing chamber 41 and connected to the casing 42, and a connection tube 44 connected to the casing 42 and communicated with the containing chamber 41, wherein the top of the inner tube 43 is in an expanded tube shape and connected to the top of the casing 42, the top of the inner tube 43 is sealed at the top of the containing chamber 41, the inner tube 43 is communicated with the air outlet tube 22, the heating element 30 is located between the inner tube 43 and the air outlet tube 22, and the connection tube 44 is communicated between the containing chamber 41 and the suction port 21.

Referring to fig. 3, 4 and 5, the carpet unit 2 includes a pair of short side edges 201, a pair of long side edges 202 connected between the short side edges 201, an air inlet connector 203 disposed on one of the short side edges 201, an air inlet channel 204 disposed inside and communicated with the air inlet connector 203, two air outlet channels 205 communicated with the air inlet channel 204 and winding around between the short side edges 201 and the long side edges 202, and an air outlet connector 206 communicated with the air outlet channels 205, in this embodiment, the air inlet connector 203 is disposed inside the air outlet connector 206, and an annular air outlet 207 communicated with the air outlet channel 205 is formed between the air inlet connector 203 and the air outlet connector 206.

Referring to fig. 3 and 4, the air inlet pipe 3 is connected between the inner pipe 43 (and the air outlet pipe 22) and the air inlet connector 203, and can guide the air flow heated by the heating element 30 to the air inlet connector 203 and the air inlet channel 204.

Referring to fig. 3 and 4, the air return pipe 4 is connected between the housing 42 (and the air inlet 21) and the air outlet connector 206, and can return the air flow in the air outlet channel 205 to the air heater 1, and make the air flow returned by the carpet unit 2 flow through the accommodating chamber 41, the adapter 44 and the air inlet 21, and make the air flow achieve the purpose of circular transportation.

In this embodiment, the air inlet pipe 3 is disposed through the air return pipe 4, and a air return duct 5 is formed between the air inlet pipe 3 and the air return pipe 4, wherein the air return duct 5 is communicated with the accommodating chamber 41 and the air outlet 207.

For a further understanding of the invention, its role, the technical means employed, and the efficacy attained by its cooperation, the invention is further described and illustrated below, it is believed that the invention will be better understood and appreciated from this description.

As shown in fig. 1, 4, 5 and 6, when the power of the air heater 1 is turned on and the blower 20 blows, the air flow is sucked from the suction opening 21 and blown out from the air outlet pipe 22, the heating element 30 heats the air flow flowing through the air outlet pipe 22, and the heated air flow passes through the inner pipe 43, the air inlet pipe 3 and the air inlet joint 203, is then guided into the air inlet channel 204 (the inlet air flow is shown by the solid arrow), and then flows through the air outlet channel 205 and the air outlet 207 of the air outlet joint 206, finally passes through the air return channel 5 and the air inlet joint pipe 21, and is finally sucked into the air inlet channel 21, and the air flow is circulated and transported (the return air flow is shown by the dotted arrow), and the heated air flow circulates through the air inlet channel 204 and the air outlet channel 205, thereby providing the best heat preservation effect for the patient in the whole course of the operation, and can maintain the core temperature of the patient.

Therefore, the advantages of the present invention can be summarized as follows:

firstly, the heated air flow only flows in the closed air inlet flow passage 204 and the closed air outlet flow passage 205 in a circulating manner, and the hot air does not impact the periphery of the operating table, so that the hot air can be prevented from being raised, and the infection probability of patients can be reduced.

Secondly, heated air flow only flows in a circulating mode through the closed air inlet flow channel 204 and the closed air outlet flow channel 205, hot air does not leak, stuffiness around an operating table can be reduced, and comfort of medical workers is improved.

Thirdly, the hot gas can be recycled, and the energy-saving benefit can be improved.

As shown in fig. 8, a second embodiment of the enclosed hot air carpet of the present invention also comprises a hot air blower 1 ', a carpet unit 2', an air inlet pipe 3 'connected between the hot air blower 1' and the carpet unit 2 ', and an air return pipe 4' connected between the hot air blower 1 'and the carpet unit 2'. And differs from the first embodiment in that: the air inlet connector 203 ' and the air outlet connector 206 ' are arranged in parallel on one short side edge 201 ', and the air inlet pipe 3 ' and the air return pipe 4 ' are arranged at intervals and are respectively connected with the air inlet connector 203 ' and the air outlet connector 206 '. The second embodiment of the closed type hot air blanket of the present invention can also achieve the same objects and effects as the first embodiment.